Finding the Fourth Proportional to 106,400.09, 159,492.41 and 68,983.94
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Solution
The fourth proportional to 106,400.09, 159,492.41 and 68,983.94 is: 103,406.07
Step by Step Solution
- Step 1: Write the proportion equation
106,400.09 : 159,492.41 = 68,983.94 : x - Step 2: Convert to fraction form
106,400.09/159,492.41 = 68,983.94/x - Step 3: Cross multiply
106,400.09x = 159,492.41 × 68,983.94 - Step 4: Simplify right side
106,400.09x = 11,002,414,216.89 - Step 5: Solve for x
x = 11,002,414,216.89/106,400.09 - Step 6: Final answer
x = 103,406.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.